MCBS103 - 100A, 3-Pole, Disconnect Switch

Meet MCBS103 — a high-performance 100A, 3-Pole Disconnect Switch crafted for industrial and commercial settings where safe electrical isolation is non-negotiable. This device ensures dependable disconnection under load and supports lockout/tagout procedures, helping teams keep maintenance crews safe while minimizing equipment downtime.

Why MCBS103 stands out

• Three-pole design for complete isolation — effectively disconnects all phases in three-phase circuits, reducing the risk of partial energization during servicing.
• 100A rating for robust service — capable of handling standard industrial loads with reliable performance.
• Lockout/tagout ready — built to integrate with compliant safety practices, ensuring workers can apply tags and locks confidently.
• Under-load disconnection — engineered to provide a safe, clean break even when circuits are energized, improving maintenance safety and reducing downtime.
• Durable, long-term performance — designed to withstand demanding environments typical of industrial facilities and commercial installations.

Ideal applications

Use MCBS103 to isolate power for motors, feeders, and equipment during routine maintenance, servicing, or repair work. It’s a practical solution for panel installations, switchgear assemblies, and service entrances where a reliable, code-oriented disconnect is required.

Key specifications

• Amperage Rating: 100A
• Number of Poles: 3-Pole
• Product Type: Disconnect Switch
• Model: MCBS103

Practical tips for use

• Pair with proper lockout/tagout practices and documented procedures to maximize safety during maintenance.
• Ensure compatible enclosure or panel installation that supports a 3-pole disconnect device.
• Regularly inspect terminals and mounting hardware to maintain reliable operation over time.